| Abstrakt: |
Northeastern of Morocco is known by the presence of several volcanic outcrops of a Neogene to Plio-quaternary age. Miocene magmatic activity in Ras Tarf (Al Hoceima region), Gourougou (Nador region) and Guilliz (Taourirt-Guercif region) areas consists mainly of shoshonitic andesites, highly potassic calc-alkaline and potassic calc-alkaline volcanic rocks. However, Plio-quaternary magmatic activity is of a smaller distribution (few outcrops in Nador, Selouane, Saka and Oujda) and it is mainly alkaline. Jorf Lakhdar volcanic site is remarkably distinguished; it is located in the NW of the Oujda city and close to the new built houses. This basaltic site is of a total three-hundred-meter square, has huge and spectacular columns, and contain a great diversity of geoheritage components. In Guercif-Taourirt region, Guilliz volcanic massif is a real fascinating site that has been well studied, but poorly promoted as it is not extremely close to the population and to urban life. This work presents, for the first time, an overview of volcanic geoheritage of Jorf Lakhdar and Guilliz with the aim of appraising the protection thereof. The two sites deserve to be recognized by the authorities as a rich geological and cultural areas, they must be protected by regional and national concerned institutions and acknowledged officially as a geoheritage of this region and Morocco. [ABSTRACT FROM AUTHOR] |
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